In the current systemic therapy era, such as immunotherapy and molecular targeted therapy, treatment strategy of hepatocellular carcinoma is changing. Transarterial chemoembolization is more expected as a curative treatment option than before. Therefore, it is important to learn key techniques of transarterial chemoembolization procedures to achieve complete response. This article delineates the current indications for transarterial chemoembolization and several techniques used for its implementation.